footForward(A)
footBackward(A)
footForward(B)
footBackward(B)
footForward(A)
footBackward(A)
footForward(B)
footBackward(B)
footForward(A)
footBackward(A)
footForward(B)
footBackward(B)
footForward(A)
footBackward(A)
footForward(B)
footBackward(B)

